3147213 has 16 divisors (see below), whose sum is σ = 4438016. Its totient is φ = 1980720.

The previous prime is 3147211. The next prime is 3147223. The reversal of 3147213 is 3127413.

It is not a de Polignac number, because 3147213 - 2¹ = 3147211 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3147213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3147211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3606 + ... + 4392.

It is an arithmetic number, because the mean of its divisors is an integer number (277376).

Almost surely, 2^3147213 is an apocalyptic number.

It is an amenable number.

3147213 is a deficient number, since it is larger than the sum of its proper divisors (1290803).

3147213 is a wasteful number, since it uses less digits than its factorization.

3147213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864.

The product of its digits is 504, while the sum is 21.

The square root of 3147213 is about 1774.0386128830. The cubic root of 3147213 is about 146.5464757979.

The spelling of 3147213 in words is "three million, one hundred forty-seven thousand, two hundred thirteen".